The vibrational spectrum of the Enlightenment, or espionage |
The noises |
The language (NF))
The tent of the President the telephone booth |
The high-frequency signals - General - |
The high-frequency signals
slow signals |
The high-frequency signals
optical signals |
The high-frequency signals
- communication - Radio communication networks - Directional radio - Satellites - Direct coupling |
The heat signals Thermal radiation/air-gap |
The high-frequency signals of the light Fiber |
The X-ray radiation and higher ... |
Author: Old Gocs - All rights reserved - Berlin, August / September 2013 |
Frequency range | Medium | Sensors | Result | Application | Info |
> 10 Hz ..20 KHz | Air and other media Sound waves, usually Language or noise and other signals) |
Microphones,
acoustic-electric transducer |
spoken words, other sound sources; |
known as "bugs", "Moscow concrete" modern "PIPS", laser - scanning | In the past, this method
was very successful and is still used today. The development of new communication technologies, it comes to the development of new agents. The group of portable devices, "PIPS", represents a huge potential danger The use of these PIPS may be obscured by the remark, I expect an urgent inquiries. For more info: see |